Answer: Categorical: Employment Category (nominal), Education (ordinal), Participates in Wellness Program? (nominal)
Quantitative: Age (years), Paycheck Benefit Deductions ($)
L.O.: 2
4) For each of the following, indicate whether the data are cross-sectional or time series:
• Company quarterly profits
• Percentage of Canadian adults who work full time
• Historical closing stock prices
Answer:
• Company quarterly profits
Time Series
• Percentage of Canadian adults who work full time
Cross-Sectional
• Historical closing stock prices
Time Series
L.O.: 2
Multiple Choice - Quiz C
1) In the fall of 2015 a research company conducted its Internet & Life Project through telephone interviews about online shopping with a sample of Canadian adults aged 18 and older. Canadian adults aged 18 and older constitute the ________ of the study.
A) Who
B) What
C) When
D) Where
E) How
Answer: A
L.O.: 1
2) A few of the variables for which data were collected in the Internet & Life Project study include age, gender, income, monthly Internet bill, and number of hours spent shopping online per month. Which of the variables is categorical?
A) Age
B) Gender
C) Income
D) Number of hours spent shopping online
E) Monthly Internet bill
Answer: B
L.O.: 2
3) The Internet & Life Project study also asked respondents to indicate their education level on the following scale: Less than High School, High School, Some College, College, University. Which of the following statements is true?
A) Education level is a time series variable.
B) Education level is nominal scaled.
C) Education level is a quantitative variable.
D) Education level is a categorical (ordinal) variable.
E) Education level is a nominal variable.
Answer: D
L.O.: 2
4) Consumer Reports Health routinely compares drugs in terms of effectiveness and safety. In summer 2014 they reviewed drugs used to treat arthritis. Among the information reported was convenience of use (how many pills required each day) and possible side effects (e.g., dizziness, stomach upset). Convenience of use and possible side effects constitute the ________ of the study.
A) Who
B) What
C) When
D) Where
E) How
Answer: B
L.O.: 1
5) What is the "Who" in the Consumer Reports Health study on the effectiveness and safety of drugs used to treat arthritis?
A) drugs to treat arthritis
B) convenience of use and possible side effects
C) summer 2014
D) Canada
E) testing on drugs
Answer: A
L.O.: 1
6) In the Consumer Reports Health study on arthritis drugs, possible side effects is what kind of variable?
A) Quantitative
B) Ordinal
C) Identifier
D) Time series
E) Categorical (nominal)
Answer: E
L.O.: 2
7) The Consumer Reports Health study on arthritis drugs also took into consideration cost. Cost is
A) a nominal variable.
B) a categorical variable.
C) a quantitative variable.
D) an ordinal variable.
E) an irrelevant variable.
Answer: C
L.O.: 2
8) The Human Resources Department of a large corporation maintains records on its employees. Data are maintained for the following variables: Age, Employment Category, Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions. Which of these variables are categorical?
A) Age and Paycheck benefit deductions
B) Employment Category, Education, and Whether or not the employee participates in a wellness program
C) Paycheck benefit deductions only
D) Age only
E) Education only
Answer: B
L.O.: 2
9) Which of the following is based on cross-sectional data?
A) Company quarterly profits
B) Percentage of Canadian adults who work full time
C) Historical closing stock prices
D) Yearly student enrollments
E) Annual costs
Answer: B
L.O.: 2
10) Which of the following is time series data?
A) Number of employees in 2013
B) This month's demand for an automotive part